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13255111 is a prime number
BaseRepresentation
bin110010100100…
…000111000111
3220221102121001
4302210013013
511343130421
61152034131
7220444432
oct62440707
926842531
1013255111
117533841
124532947
13299137c
141a90819
15126c691
hexca41c7

13255111 has 2 divisors, whose sum is σ = 13255112. Its totient is φ = 13255110.

The previous prime is 13255097. The next prime is 13255127. The reversal of 13255111 is 11155231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13255111 - 29 = 13254599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13255171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627555 + 6627556.

It is an arithmetic number, because the mean of its divisors is an integer number (6627556).

Almost surely, 213255111 is an apocalyptic number.

13255111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255111 is an equidigital number, since it uses as much as digits as its factorization.

13255111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150, while the sum is 19.

The square root of 13255111 is about 3640.7569267942. The cubic root of 13255111 is about 236.6615963559.

It can be divided in two parts, 13255 and 111, that added together give a triangular number (13366 = T163).

The spelling of 13255111 in words is "thirteen million, two hundred fifty-five thousand, one hundred eleven".